Statistics for occurrence #1 of “Preston Smith” in chapter 4 of James D. Porter, Confederate Military History, a library of Confederate States Military History: Volume 7.1, Tennessee:

... division of troops was sent from Tupelo to the department of East Tennessee, then commanded by Maj.-Gen. E. Kirby Smith, and later, Smith was further reinforced by the brigades of P. R. Cleburne and Preston Smith . On the 16th of August, 1862, the army of Kentucky, commanded by Maj.-Gen. Kirby Smith, crossed the Cumberland mountains into the State of Kentucky; and on the 27th and 28th of August, General Brag...
Max. Freq. Min. Freq.
Entity Corpus Doc Corpus Doc  
Preston Smith 409 72 83 12 0 user votes
Preston Smith Brooks 32 0 0 0 0 user votes
R. Preston Smith 1 0 1 0 0 user votes

† This entity has been selected by the automated classifier as the most likely match in this context. It may or may not be the correct match.